Financial Instruments - Cumulative Basis Adjustments for Fair Value Hedges (Details) - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Short-term borrowings, including current portion of long-term debt [Member]
Derivative [Line Items]
Carrying Amount of Hedged Assets/Liabilities	[1]	$ 0	$ 0
Cumulative Amount of Fair Value Hedging Adjustment Increase/(Decrease) to Carrying Amount, Active Hedging Relationships, Liability		0	0
Cumulative Amount of Fair Value Hedging Adjustment Increase/(Decrease) to Carrying Amount, Discontinued Hedging Relationships, Liability		$ 4	$ 10
Hedged Liability, Statement of Financial Position [Extensible Enumeration]		Debt, Current	Debt, Current
Long-term debt [Member]
Derivative [Line Items]
Carrying Amount of Hedged Assets/Liabilities	[1]	$ 7,196	$ 2,235
Cumulative Amount of Fair Value Hedging Adjustment Increase/(Decrease) to Carrying Amount, Active Hedging Relationships, Liability		(131)	(321)
Cumulative Amount of Fair Value Hedging Adjustment Increase/(Decrease) to Carrying Amount, Discontinued Hedging Relationships, Liability		$ 957	$ 1,042
Hedged Liability, Statement of Financial Position [Extensible Enumeration]		Long-term debt	Long-term debt

[1] Carrying amounts exclude the cumulative amount of fair value hedging adjustments.